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Arnout van de Rijt

@arnoutvanderijt

Professor of Sociology. Head of the Department of Political and Social Sciences at the European University Institute (EUI). President of the International Network of Analytical Sociology (INAS). Editor-in-Chief of Sociological Science.

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Latest posts by Arnout van de Rijt @arnoutvanderijt

Call for papers: EUI Workshop on Political Behaviour in Central & Eastern Europe The Department of Political and Social Sciences SPS has launched the call for papers for the workshop on political behaviour in Central and Eastern Europe CEE

Call for Papers πŸ“£

The EUI SPS Department invites submissions for the workshop β€œPolitical Behaviour in Central & Eastern Europe.”

Research on elections, public opinion, parties and political participation in the CEE region.

Submit by 30 March 2026
www.eui.eu/news-hub?id=...

#PoliticalScience

04.03.2026 17:11 πŸ‘ 4 πŸ” 8 πŸ’¬ 0 πŸ“Œ 3

"This study investigates variability in women’s experiences balancing work and family, focusing on the association between early childhood investments and work trajectories."

Just out in our journal, @sociologicalsci.bsky.social

04.03.2026 07:34 πŸ‘ 11 πŸ” 4 πŸ’¬ 0 πŸ“Œ 0
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Is College Really β€œthe” Equalizer? New Evidence Addressing Unobserved Selection Article: Is College Really β€œthe” Equalizer? New Evidence Addressing Unobserved Selection | Sociological Science | Posted March 3, 2026

New paper out in @sociologicalsci.bsky.social!

We revisit the college-as-equalizer debate with heckman-style selection models and find little evidence in favor of college being an equalizer!

@zhenghaowen.bsky.social @professorholm.bsky.social

#sociology

sociologicalscience.com/articles-v13...

03.03.2026 21:05 πŸ‘ 31 πŸ” 5 πŸ’¬ 1 πŸ“Œ 3

"We conclude that for higher education to serve as a true equalizer, it must become both less selective and more accessible to students from disadvantaged backgrounds."

This month in our journal, @sociologicalsci.bsky.social

03.03.2026 19:16 πŸ‘ 9 πŸ” 1 πŸ’¬ 0 πŸ“Œ 0
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Want to learn about computational social science *for free* and identify new research partners across academic fields? Apply to one of the 2026 Summer Institutes in Computational Social Science (described in yellow in the attached map) here: sicss.io/locations

03.03.2026 15:01 πŸ‘ 31 πŸ” 30 πŸ’¬ 0 πŸ“Œ 0
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26.02.2026 10:00 πŸ‘ 40 πŸ” 13 πŸ’¬ 1 πŸ“Œ 3
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Postdoctoral Fellow in Sociology The Swedish Institute for Social research (SOFI) is part of the Faculty of Social Sciences at Stockholm University. The institute is an internationally leading research institute in the field of socia

My colleagues at the Swedish Institute for Social Research, Social Policy unit, are seeking a postdoc for 2-3 years. Great opportunity! su.varbi.com/en/what:job/...

26.02.2026 09:00 πŸ‘ 17 πŸ” 18 πŸ’¬ 0 πŸ“Œ 0

A more detailed thread on our recent Science Advances paper. Really proud of this paper and the discipline-bending approach and team. It is the first part of a trilogy that was produced with the support of a Sapere Aude grant by the Independent Research Fund Denmark. Stay tuned for part 2 and 3 ;).

26.02.2026 10:16 πŸ‘ 12 πŸ” 2 πŸ’¬ 0 πŸ“Œ 0

7/ Our results provide a solution to a recent puzzle about whether and when lock-in on an inferior option is possible and connect a behavioral phenomenon to macro-level popularity dynamics. They also highlight the importance of small winning margins.

26.02.2026 09:57 πŸ‘ 1 πŸ” 1 πŸ’¬ 0 πŸ“Œ 0
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6/ This theoretical prediction is corroborated in a reanalysis of data from multiple-world experiments in three domains (political preferences, matters of fact, matters of taste). In the picture, when the MME exceeds quality difference (d), lock-in is observed (blue), but rarely otherwise (red).

26.02.2026 09:57 πŸ‘ 1 πŸ” 1 πŸ’¬ 1 πŸ“Œ 0

5/ Importantly, lock-in becomes possible when the size of the marginal majority effect exceeds the quality difference of the two alternatives (i.e., difference in choice probability without social influence).

26.02.2026 09:57 πŸ‘ 1 πŸ” 1 πŸ’¬ 1 πŸ“Œ 0
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4/ Main finding: Small majorities matter!

People are much more likely to choose A if it is even slightly more popular than B.

We call this the *marginal majority effect*

26.02.2026 09:56 πŸ‘ 2 πŸ” 1 πŸ’¬ 1 πŸ“Œ 0

3/ We develop a mathematical theory that describes popularity dynamics between two competing alternatives when people's choices are influenced by the previous choices of others.

We then validate it using data from recent behavioral experiments.

26.02.2026 09:55 πŸ‘ 1 πŸ” 1 πŸ’¬ 1 πŸ“Œ 0

2/ We all know social influence matters.

People are more likely to choose something if others chose it first: music, platforms, political opinions, etc.

But here’s the puzzle:
Sometimes bad options can lock in an early popularity advantage, while in other cases better options take over.

Why?

26.02.2026 09:54 πŸ‘ 1 πŸ” 1 πŸ’¬ 1 πŸ“Œ 0
The marginal majority effect: When social influence produces lock-in You have to enable JavaScript in your browser's settings in order to use the eReader.

1/ Why do inferior but popular things remain popular?

Excited to share our new paper with @pantelispa.bsky.social, @glemens.bsky.social & @arnoutvanderijt.bsky.social

"The marginal majority effect: When social influence produces lock-in"
www.science.org/doi/epdf/10....

26.02.2026 09:52 πŸ‘ 12 πŸ” 4 πŸ’¬ 1 πŸ“Œ 1

Modern variant of "this claim is false":

This sentence was not shaped by ChatGPT

24.02.2026 19:28 πŸ‘ 0 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
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πŸ“’ In this Social Forces article, I introduce occupational elitism as a novel measure of social closure: the share of upper-class background workers within an occupation.

Its consequences for earnings stratification can be examined using a social closure theory lens.

πŸ”“ doi.org/10.1093/sf/s...

19.02.2026 22:13 πŸ‘ 70 πŸ” 20 πŸ’¬ 3 πŸ“Œ 2

Thanks for sharing, I agree!

19.02.2026 19:13 πŸ‘ 0 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
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Why does a worse candidate win? Or an inferior song dominate?

New article with @alexgelas.bsky.social, @pantelispa.bsky.social & GaΓ«l Le Mens.

We show that often once A becomes even slightly more popular than B, people choose A much more often.

www.science.org/doi/pdf/10.1...

19.02.2026 15:56 πŸ‘ 39 πŸ” 15 πŸ’¬ 1 πŸ“Œ 1

@robjetten.bsky.social

This book predicted Rob Jetten's electoral success

19.02.2026 13:35 πŸ‘ 1 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
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Happy to share our new paper published in PNAS!

Using epigenetic clocks and egocentric network data, we find each additional "hassler" in your close social network is associated with ~9 months of extra biological age and 1.5% faster pace of aging.

19.02.2026 13:07 πŸ‘ 20 πŸ” 9 πŸ’¬ 1 πŸ“Œ 1

Congrats Alex!

It was already a great book when you defended it at @eui-sps.bsky.social

You did predict the recent rise of D66 correctly!

19.02.2026 13:33 πŸ‘ 1 πŸ” 0 πŸ’¬ 1 πŸ“Œ 0
A book cover, featuring an image of an incomplete bridge, bearing the title 'The Unfulfilled Electoral Potential of West European Liberal Parties', and the author's name, 'Alexander Davenport'.

A book cover, featuring an image of an incomplete bridge, bearing the title 'The Unfulfilled Electoral Potential of West European Liberal Parties', and the author's name, 'Alexander Davenport'.

Excited to announce that my new book, 'The Unfulfilled Electoral Potential of West European Liberal Parties', is available in both online and print formats with Oxford University Press as of today! academic.oup.com/book/62000 Below is a brief summary of the arguments:

19.02.2026 12:10 πŸ‘ 21 πŸ” 4 πŸ’¬ 2 πŸ“Œ 3

"This article develops and applies a stochastic two-sided matching model to analyze marriage patterns in the United States"

This month in our journal, @sociologicalsci.bsky.social

19.02.2026 11:22 πŸ‘ 1 πŸ” 1 πŸ’¬ 0 πŸ“Œ 0

"[R]eligious researchers find less evidence for the secularization thesis, whereas secular scholars find more."

This month in our journal, @sociologicalsci.bsky.social

19.02.2026 11:21 πŸ‘ 4 πŸ” 3 πŸ’¬ 0 πŸ“Œ 0

Some descriptives are worth 1000 causal estimates

18.02.2026 17:55 πŸ‘ 3 πŸ” 1 πŸ’¬ 0 πŸ“Œ 0
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L'emprise des grandes fortunes franΓ§aises Il n’existe aucun sujet de politique Γ©conomique et sociale oΓΉ l’on puisse observer un Γ©cart aussi bΓ©ant entre le soutien populaire et la reprΓ©sentation nationale.

Pour comprendre la discussion budgΓ©taire qui se clΓ΄t il faut objectiver, avec luciditΓ© et sΓ©rΓ©nitΓ©, une rΓ©alitΓ© dΓ©sormais structurante : l’emprise inΓ©dite des milliardaires sur la vie dΓ©mocratique de la nation.

gabrielzucman.substack.com/p/lemprise-d...

10.02.2026 08:14 πŸ‘ 103 πŸ” 79 πŸ’¬ 5 πŸ“Œ 2
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The pace at which US wealth concentration is rising is simply staggering

The concentration of AI wealth into the hands of a few tech barons + plutocratic capture ==> unchartered territory

15.02.2026 14:47 πŸ‘ 4183 πŸ” 1853 πŸ’¬ 129 πŸ“Œ 319

You are so right about this Laura.

14.02.2026 17:22 πŸ‘ 2 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0

"[T]he main drivers of place-based disparities in achievement lie outside of elementary schools."

This month in our journal, @sociologicalsci.bsky.social

08.02.2026 17:41 πŸ‘ 2 πŸ” 1 πŸ’¬ 0 πŸ“Œ 0